*{margin: 0;padding: 0}
header{width:100%;background: #000;}
.warp{width:1200px;margin: auto;height:50px}
.warp  ul li{width:230px}
.warp  ul li a{display:block;width:230px;color:#fff;text-align: center;line-height: 50px;}


article{width:100%}
.RUN{width:1200px;height:400px;margin: auto}
.bj4-box {
    height: 420px;
    margin: 0 auto;
}
/*  */

.slider,
.slider-panel img,
.slider-extra {
    height: 420px;
   
}

.slider {
    margin: 0 auto;
}

.slider-panel,
.slider-nav,
.slider-pre,
.slider-next {
    position: absolute;
    z-index: 8;
}

.slider-panel {
    position: absolute;
}

.slider-panel img {
    border: none;
    width: 100%;
}

.slider-extra {
    position: relative;
}

.slider-nav {
    margin-left: -51px;
    position: absolute;
    left: 50%;
    bottom: 4px;
}

.slider-nav li {
    background: #fff;
    border-radius: 50%;
    cursor: pointer;
    margin: 0 2px;
    overflow: hidden;
    text-align: center;
    display: inline-block;
    height: 15px;
    line-height: 15px;
    width: 15px;
}

.slider-nav .slider-item-selected {
    background: rgba(0, 0, 0, 0);
    border: 1px solid white;
    ;
}

.slider-page a {
    background: rgba(0, 0, 0, 0.2);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#33000000, endColorstr=#33000000);
    color: #fff;
    text-align: center;
    display: block;
    font-family: "simsun";
    font-size: 22px;
    width: 28px;
    height: 62px;
    line-height: 62px;
    margin-top: -31px;
    position: absolute;
    top: 50%;
}

.slider-page a:HOVER {
    background: rgba(0, 0, 0, 0.4);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#66000000, endColorstr=#66000000);
}

.slider-next {
    left: 100%;
    margin-left: -28px;
}
.slider-panel a img{
    width: 1200px;
   
}
*{margin: 0;padding: 0}
li{list-style: none;display: inline-block}
a{text-decoration: none}